Mark all of the following that are correct. When comparing graphs of dry matter
ID: 266375 • Letter: M
Question
Mark all of the following that are correct. When comparing graphs of dry matter productivity (g/myr) in different regions, which of the following is false? Precipitation has a negative effect on primary productivity while temperature Dry matter productivity is positively correlated with precipitation up to a limit. Temperature has a negative effect on primary productivity while precipitation has a positive effect on primary productivity has a positive effect on primary productivity. Dry matter productivity has a direct, linear, positive relationship with temperature The influence of temperature and precipitation act independently on the dry matter productivity.Explanation / Answer
Precipitation use efficiency (PUE) has Is a critical indicator for exploring Net Primary production(NPP) in grass land ecosystem response to various in precipitation and temperature.
In study , Spatial pattaer of NPP and PUE in chains grassland effect the environmental factor at different scales. It decreases and has negative impact from the Northest to South west.
Temperature has positive effect because higher respiration rate can change the ratio of photosynthesis to respiration, decreases long term net Primary productivity. The combination of high temperature and high irradiance may increase photo inhibition and decreases NPP
So correct ans will be first one
Precipitation has -ve effect on primary productivity whle temperature has positive
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